| 释义 |
anterior horn
Thesaurus| Noun | 1. | anterior horn - one of two the two roots of a spinal nerve that passes ventrally from the spinal cord and that consists of motor fibersanterior root, ventral horn, ventral rootefferent, efferent nerve, motor nerve - a nerve that conveys impulses toward or to muscles or glandsnervus spinalis, spinal nerve - any of the 31 pairs of nerves emerging from each side of the spinal cord (each attached to the cord by two roots: ventral and dorsal) |
See anterior horn
anterior horn
anterior horn[an¦tir·ē·ər ′hȯrn] (neuroscience) The ventral column of gray matter in the spinal cord containing the cell bodies of motor (efferent) neurons. anterior horn
an·te·ri·or horn [TA] 1. the frontal or anterior division of the lateral ventricle of the brain, extending forward from the Monro interventricular foramen;
See also: anterior column, gray columns. 2. the anterior horn or anterior (ventral) gray column of the spinal cord as appearing in cross section. The anterior horn is composed of the spinal laminae VIII and IX [TA] of Rexed with portions of VII also extending into its geographical boundaries in lumbosacral and cervical levels. The nuclei of the anterior horn are the anterolateral nucleus [TA] or ventrolateral nucleus [TAalt] (nucleus anterolateralis [TA]), anterior nucleus [TA] (nucleus anterior [TA]), anteromedial nucleus [TA] or ventromedial nucleus [TAalt] (nucleus anteromedialis [TA]), posterolateral nucleus [TA] or dorsolateral nucleus [TAalt] (nucleus posterolateralis [TA]), retroposterior lateral nucleus [TA] or retrodorsal lateral nucleus [TAalt] (nucleus retroposterolateralis [TA]), posteromedial nucleus [TA] or dorsomedial nucleus [TAalt] (nucleus posteromedialis [TA]), central nucleus [TA] (nucleus centralis [TA]), and the accessory nucleus and phrenic nucleus (both found in cervical levels only).
See also: anterior column, gray columns. Synonym(s): cornu anterius [TA], ventral hornan·te·ri·or horn (an-tēr'ē-ŏr hōrn) [TA] 1. The anterior or frontal division of the lateral ventricle of the brain, extending forward from Monro interventricular foramen.
See: lateral ventricle2. The anterior or ventral gray column of the spinal cord as appearing in cross-section.
See also: gray columns
Synonym(s): cornu anterius [TA] , precornu, ventral horn. an·te·ri·or horn (an-tēr'ē-ŏr hōrn) [TA] 1. [TA] Frontal or anterior division of the lateral ventricle of the brain, extending forward from the interventricular (Monro) foramen. 2. Anterior horn or anterior (ventral) gray column of the spinal cord as appearing in cross-section. anterior horn
Synonyms for anterior hornnoun one of two the two roots of a spinal nerve that passes ventrally from the spinal cord and that consists of motor fibersSynonyms- anterior root
- ventral horn
- ventral root
Related Words- efferent
- efferent nerve
- motor nerve
- nervus spinalis
- spinal nerve
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